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- After initial installation, a discharge from the relief valve opening may occur due to inadequate initial flushing of pipe lines to eliminate dirt and pipe compounds. 在初始安装后，由于管线没有经过正确的初始冲刷，污垢和管道杂质没有消除干净，安全阀的开口可能发生排放。
- Houston has become petroleum and the petroleum and chemical centre, gas network of pipe lines point assembling , centre being also that the astronavigation studies and develops. 休斯敦现已成为石油与石化中心，天然气管道网的汇集点，也是宇航研究和发展的中心。
- This article illuminates the method and application of vertical down welding for gas pipe line,which ensures the welding quality and meets the requirement of pipe design. 对立向下焊接技术的应用情况加以说明,并阐述此方法是如何保证长输管线的焊接质量,满足管道设计技术要求的。
- Three phase parallel connection heating cables are suitable forthethermal insulation of pipes with big diameters, pipe lines in nets and tanks. 三相并联带一般适用于大管径，管网系统管线和罐体的伴热保温。
- This paper analyses the cause of uncleanness of air pipe line on locomotive,and puts forward taking TIG weld ing tech nology in order to ensure that the quality of pipe line on lo como tive achieves design standard. 针对目前机车空气管道内清洁度差的问题,分析其原因,提出采用TIG焊接工艺,以保证机车管道质量达到设计要求。
- He is a member of the Association of University Teachers. 他是大学教师联合会的一名成员。
- color identification of pipe lines 管线颜色标准化
- visual identification of pipe line 管线的视力鉴定
- NATIONAL ASSOCIATION OF CONVENIENCE STORES, INC. 会展名称:全美便利店展览会。
- THE COCOA MERCHANTS'ASSOCIATION OF AMERICA, INC. 美国可可商协会。
- telemetering system of pipe line 管线遥测系统
- Nanyang University Alumni Association of Malaya. 马来亚南大校友会。南洋理工大学申请表。
- National Association of Securities Dealers Inc. 美国证券商同业公会。
- National Association of Stock Car Auto Racing. 全国汽车比赛协会。
- Transportation Management Association of New Cast. 新卡斯特县运输管理协会。
- National Tourist Association of Slovenia. 国家旅游协会。
- The Global Association of Risk Pr. 全球风险协会。
- Association of Radio Industry Businesses. 无线行业企业协会,是日本的标准制定机构。
- Association of the landscape architects of the CIS. 独联体景观设计师协会。
- Direct Selling Association of Singapore. 所承认的新加坡网络行销公司。
